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Statistics - Normal Distributions

Part 1) Sketch area under standard normal curve over the indicated intervals, and find the specified area.
a) to the left of z=0.15
b) to the right of z=-2.17
c) between z=-1.40 and z=2.03

Part 2) Let z be a random variable with standard normal distribution. Find indicated probability and shade corresponding area under the standard normal curve
a) p(<_3.20)

Solution Summary

Neat, step-by-step solution using graphs is provided.